:root {
  --ecba-orange: #ED6B0C;
  --ecba-orange-dark: #D4590A;
  --ecba-orange-light: #FFF1E6;
  --ecba-blue: #1C86C8;
  --ecba-blue-dark: #146AA0;
  --ecba-blue-light: #E9F5FC;
  --ink: #24303B;
  --ink-soft: #5B6B79;
  --border: #E4E9ED;
  --bg: #F5F7F9;
  --white: #FFFFFF;
  --success: #2E9E5B;
  --warning: #E0A800;
  --danger: #D64545;
  --radius: 10px;
  --shadow: 0 2px 10px rgba(28, 40, 51, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Sarabun", "Noto Sans Thai", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.6;
}

a { color: var(--ecba-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; }

/* ---------- Public topbar ---------- */
.public-topbar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.public-topbar .wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 48px; }
.brand .titles { line-height: 1.25; }
.brand .titles .th-name { font-weight: 700; color: var(--ecba-blue-dark); font-size: 16px; }
.brand .titles .sub-name { font-size: 12.5px; color: var(--ink-soft); }

.public-nav { display: flex; gap: 6px; align-items: center; }
.public-nav a {
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 500;
}
.public-nav a:hover { background: var(--ecba-orange-light); text-decoration: none; color: var(--ecba-orange-dark); }
.public-nav a.btn-primary-nav {
  background: var(--ecba-orange);
  color: var(--white);
}
.public-nav a.btn-primary-nav:hover { background: var(--ecba-orange-dark); color: var(--white); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
}

/* Hamburger icon drawn with CSS bars (avoids missing-glyph issues with ☰) */
.hamburger { display: inline-flex; flex-direction: column; gap: 4px; width: 18px; }
.hamburger i { display: block; height: 2px; width: 100%; background: var(--ink); border-radius: 2px; }

.public-hero {
  background: linear-gradient(135deg, var(--ecba-blue-light) 0%, var(--white) 60%);
  border-bottom: 1px solid var(--border);
}
.public-hero .wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: 48px 20px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.public-hero h1 { font-size: 28px; color: var(--ecba-blue-dark); margin: 0 0 10px; }
.public-hero p { color: var(--ink-soft); margin: 0 0 20px; max-width: 520px; }
.public-hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.public-hero .hero-logo img { height: 200px; }

.page-wrap { max-width: 1140px; margin: 0 auto; padding: 32px 20px; }

.public-footer {
  background: var(--white);
  border-top: 1px solid var(--border);
  color: var(--ink-soft);
  font-size: 13px;
  text-align: center;
  padding: 18px;
  margin-top: 40px;
}

/* ---------- Cards / sections ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
}
.card h2, .card h3 { margin-top: 0; }
.section-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ecba-blue-dark);
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 2px solid var(--ecba-orange-light);
  padding-bottom: 10px;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary { background: var(--ecba-orange); color: var(--white); }
.btn-primary:hover { background: var(--ecba-orange-dark); color: var(--white); text-decoration: none; }
.btn-secondary { background: var(--ecba-blue); color: var(--white); }
.btn-secondary:hover { background: var(--ecba-blue-dark); color: var(--white); text-decoration: none; }
.btn-outline { background: var(--white); border-color: var(--border); color: var(--ink); }
.btn-outline:hover { border-color: var(--ecba-blue); color: var(--ecba-blue); text-decoration: none; }
.btn-danger { background: #FCEAEA; color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: var(--white); text-decoration: none; }
.btn-sm { padding: 5px 10px; font-size: 12.5px; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Forms ---------- */
label { display: block; font-weight: 600; font-size: 13.5px; margin-bottom: 6px; color: var(--ink); }
label .req { color: var(--danger); }
.form-group { margin-bottom: 16px; }
input[type=text], input[type=password], input[type=email], input[type=tel],
input[type=number], input[type=date], input[type=time], input[type=file],
select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: var(--white);
  color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--ecba-blue);
  box-shadow: 0 0 0 3px var(--ecba-blue-light);
}
.hint { font-size: 12px; color: var(--ink-soft); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.checkbox-line { display: flex; align-items: flex-start; gap: 8px; font-size: 13.5px; color: var(--ink-soft); }
.checkbox-line input { width: auto; margin-top: 3px; }

/* ---------- Steps ---------- */
.steps { display: flex; gap: 0; margin-bottom: 28px; }
.steps .step {
  flex: 1;
  text-align: center;
  padding: 12px 8px;
  border-bottom: 3px solid var(--border);
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 13.5px;
  position: relative;
}
.steps .step .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--border); color: var(--white);
  margin-right: 6px; font-size: 12px;
}
.steps .step.active { color: var(--ecba-orange-dark); border-color: var(--ecba-orange); }
.steps .step.active .num { background: var(--ecba-orange); }
.steps .step.done { color: var(--ecba-blue-dark); border-color: var(--ecba-blue); }
.steps .step.done .num { background: var(--ecba-blue); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data-table th {
  background: var(--ecba-blue-light);
  color: var(--ecba-blue-dark);
  text-align: left;
  padding: 10px 12px;
  font-weight: 700;
  white-space: nowrap;
}
table.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.data-table tr:hover td { background: #FAFBFC; }
.table-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.table-toolbar .search-box { display: flex; align-items: center; gap: 8px; flex-wrap: nowrap; }
.table-toolbar .search-box input { min-width: 240px; height: 40px; }
.table-toolbar .search-box .btn { height: 40px; white-space: nowrap; }

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge-success { background: #E7F7EE; color: var(--success); }
.badge-warning { background: #FFF6E0; color: #9C7A00; }
.badge-danger { background: #FCEAEA; color: var(--danger); }
.badge-info { background: var(--ecba-blue-light); color: var(--ecba-blue-dark); }
.badge-muted { background: #EEF1F3; color: var(--ink-soft); }

/* ---------- Auth pages ---------- */
.auth-wrap {
  min-height: calc(100vh - 90px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}
.auth-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 420px;
  padding: 32px;
  text-align: center;
}
.auth-card img.logo { height: 90px; margin-bottom: 12px; }
.auth-card h1 { font-size: 19px; color: var(--ecba-blue-dark); margin: 0 0 4px; }
.auth-card p.sub { color: var(--ink-soft); font-size: 13px; margin: 0 0 24px; }
.auth-card form { text-align: left; }
.role-tabs { display: flex; gap: 6px; background: var(--bg); border-radius: 10px; padding: 4px; margin-bottom: 22px; }
.role-tabs a { flex: 1; text-align: center; padding: 8px 6px; border-radius: 8px; font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.role-tabs a.active { background: var(--white); color: var(--ecba-orange-dark); box-shadow: var(--shadow); }

/* ---------- Dashboard layout ---------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 250px;
  background: #16232D;
  color: #C9D3DA;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}
.sidebar .brand-mini { display: flex; align-items: center; gap: 10px; padding: 18px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.sidebar .brand-mini img { height: 36px; }
.sidebar .brand-mini .txt { font-size: 12.5px; font-weight: 700; color: #fff; line-height: 1.3; }
.sidebar .brand-mini .txt span { display: block; font-weight: 400; color: #93A2AC; font-size: 11px; }
.sidebar nav { padding: 14px 10px; flex: 1; overflow-y: auto; }
.sidebar .menu-label { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: #6B7C87; padding: 14px 10px 6px; }
.sidebar a.menu-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 8px; color: #C9D3DA;
  font-size: 13.5px; margin-bottom: 2px;
}
.sidebar a.menu-item:hover { background: rgba(255,255,255,0.06); text-decoration: none; color: #fff; }
.sidebar a.menu-item.active { background: var(--ecba-orange); color: #fff; font-weight: 600; }
.sidebar .icon { width: 18px; text-align: center; }

.main-area { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 14px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar h1 { font-size: 18px; margin: 0; color: var(--ink); }
.topbar .user-chip { display: flex; align-items: center; gap: 10px; }
.topbar .avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--ecba-blue-light); color: var(--ecba-blue-dark);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px;
}
.topbar .user-chip .name { font-size: 13.5px; font-weight: 600; }
.topbar .user-chip .role { font-size: 11.5px; color: var(--ink-soft); }
.content { padding: 24px 26px; flex: 1; }

.breadcrumb { font-size: 12.5px; color: var(--ink-soft); margin-bottom: 6px; }

.stat-card { display: flex; align-items: center; gap: 14px; }
.stat-card .icon-box {
  width: 46px; height: 46px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.stat-card .icon-box.orange { background: var(--ecba-orange-light); color: var(--ecba-orange-dark); }
.stat-card .icon-box.blue { background: var(--ecba-blue-light); color: var(--ecba-blue-dark); }
.stat-card .icon-box.green { background: #E7F7EE; color: var(--success); }
.stat-card .icon-box.gray { background: #EEF1F3; color: var(--ink-soft); }
.stat-card .num { font-size: 22px; font-weight: 700; line-height: 1.2; }
.stat-card .lbl { font-size: 12.5px; color: var(--ink-soft); }

.demo-role-switch {
  background: #FFF6E0; border: 1px dashed #E0A800; color: #7A5D00;
  font-size: 12.5px; padding: 8px 26px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.demo-role-switch a { font-weight: 700; }

.bar-chart { display: flex; align-items: flex-end; gap: 10px; height: 220px; padding: 10px 0; }
.bar-chart .bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.bar-chart .bar { width: 60%; background: linear-gradient(180deg, var(--ecba-blue), var(--ecba-blue-dark)); border-radius: 4px 4px 0 0; min-height: 2px; }
.bar-chart .bar-val { font-size: 11px; color: var(--ink-soft); margin-bottom: 4px; }
.bar-chart .bar-lbl { font-size: 11.5px; color: var(--ink-soft); margin-top: 6px; }

.pill-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.pill-filter a { padding: 7px 14px; border-radius: 999px; background: var(--white); border: 1px solid var(--border); font-size: 13px; color: var(--ink-soft); }
.pill-filter a.active { background: var(--ecba-blue); border-color: var(--ecba-blue); color: #fff; }

.empty-state { text-align: center; padding: 40px 20px; color: var(--ink-soft); }
.empty-state .icon { font-size: 34px; margin-bottom: 10px; }

.receipt-box { border: 1px dashed var(--border); border-radius: 10px; padding: 24px; }
.receipt-box .r-row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dotted var(--border); font-size: 13.5px; }
.receipt-box .r-total { display: flex; justify-content: space-between; padding: 12px 0 0; font-weight: 700; font-size: 16px; color: var(--ecba-orange-dark); }

.avatar-lg {
  width: 96px; height: 96px; border-radius: 50%;
  background: var(--ecba-blue-light); color: var(--ecba-blue-dark);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 30px; margin: 0 auto 12px;
  overflow: hidden;
}

.sidebar-toggle { display: none; }

@media (max-width: 860px) {
  .sidebar { position: fixed; left: -260px; top: 0; bottom: 0; z-index: 30; transition: left .2s; }
  .sidebar.open { left: 0; }
  .app-shell { display: block; }
  .sidebar-toggle { display: inline-flex; }
}

/* ================= Responsive / Mobile ================= */

/* Public site nav collapses into a dropdown menu */
@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .public-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px 16px 16px;
  }
  .public-nav.open { display: flex; }
  .public-nav a { padding: 12px 14px; }
  .public-nav a.btn-primary-nav { text-align: center; order: -1; margin-bottom: 6px; }
  .public-topbar .wrap { position: relative; }
  .brand img { height: 38px; }
  .brand .titles .th-name { font-size: 14.5px; }
  .brand .titles .sub-name { font-size: 11px; }
}

@media (max-width: 720px) {
  .public-hero .wrap { flex-direction: column; padding: 32px 20px; text-align: center; gap: 20px; }
  .public-hero .wrap > div:first-child { order: 2; }
  .public-hero .hero-logo { order: 1; }
  .public-hero h1 { font-size: 22px; }
  .public-hero p { margin-left: auto; margin-right: auto; }
  .public-hero .actions { justify-content: center; }
  .public-hero .hero-logo img { height: 120px; }
}

@media (max-width: 600px) {
  .page-wrap { padding: 20px 14px; }
  .card { padding: 16px; }
  .section-title { font-size: 15.5px; }
  .steps .step { font-size: 12px; padding: 10px 4px; }
  .steps .step .num { width: 20px; height: 20px; font-size: 11px; margin-right: 4px; }
  .table-toolbar .search-box { flex-direction: row; align-items: center; width: 100%; }
  .table-toolbar .search-box input { min-width: 0; width: auto; flex: 1; }
  .table-toolbar .search-box .btn { flex-shrink: 0; }
  .table-toolbar { flex-direction: column; align-items: stretch; }
  .auth-card { padding: 22px 18px; max-width: 100%; }
  .auth-wrap { padding: 16px 12px; }
  .receipt-box { padding: 16px; }
}

/* Dashboard (backend + member) topbar / content on small screens */
@media (max-width: 640px) {
  .topbar { padding: 12px 14px; }
  .topbar h1 { font-size: 15.5px; }
  .topbar .breadcrumb { font-size: 11px; }
  .topbar .user-chip .name, .topbar .user-chip .role { display: none; }
  .topbar .user-chip { gap: 8px; }
  .topbar .btn.btn-outline.btn-sm { padding: 6px 10px; font-size: 11.5px; }
  .content { padding: 16px 14px; }
  .demo-role-switch { padding: 8px 14px; font-size: 11.5px; }
  .grid-4, .grid-3 { gap: 12px; }
  .stat-card { padding: 16px; gap: 10px; }
  .stat-card .icon-box { width: 38px; height: 38px; font-size: 16px; }
  .stat-card .num { font-size: 18px; }
  .bar-chart { height: 160px; }
}